The FTC Business Center has a hub dedicated to protecting small businesses, information on marketing & advertising, and some legal resources.
The SEC has a page dedicated to small businesses and additional resources that help ensure you remain compliant.
The Economic Development Partnership of North Carolina (EDPNC) offers information on business structures, downloadable forms such Certificates of Assumed Name Forms, downloadable C-Corporation Articles of Incorporation, downloadable LLC Articles of Organization, a helpful link to find your local Register of Deeds, and general information on starting a business step by step.
A portion of the Small Business Administration's Business Guide is dedicated to outlining which business structure you are interested in, choosing a name, and how to register your business.
How—and Why—You Should Trademark Your Business
The U.S. Patent and Trademark Office, as its namesake denotes, has information on filing patents, trademarks, and has a learning center to help users get the information they need in regards to both.
The N.C. Department of Commerce has a Business & Occupational License Database listing hundreds of business, occupational, and privilege licenses issued in North Carolina.
The N.C. Secretary of State's website has information on business registration, a tutorial video showing how to register your business, and a link to register your business online. They have a small video library with other useful tutorial videos.